USN-3533-1: Transmission vulnerability

16 January 2018

transmission vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


Transmission could be made to run arbitraty code.

Software Description

  • transmission - lightweight BitTorrent client


It was discovered that Transmission incorrectly handled certain POST requests to the RPC server and allowed DNS rebinding attack. An attacker could possibly use this issue to execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10
transmission - 2.92-2ubuntu3.1
Ubuntu 16.04 LTS
transmission - 2.84-3ubuntu3.1
Ubuntu 14.04 LTS
transmission - 2.82-1.1ubuntu3.2

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.